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1298993094 = 232710309469
BaseRepresentation
bin100110101101101…
…0000111111000110
310100112021200112100
41031123100333012
510130020234334
6332521532530
744122154610
oct11533207706
93315250470
101298993094
1160727a813
12303044146
13179174889
14c473bdb0
1579091c99
hex4d6d0fc6

1298993094 has 24 divisors (see below), whose sum is σ = 3216554640. Its totient is φ = 371140848.

The previous prime is 1298993089. The next prime is 1298993107. The reversal of 1298993094 is 4903998921.

It is a self number, because there is not a number n which added to its sum of digits gives 1298993094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5154609 + ... + 5154860.

It is an arithmetic number, because the mean of its divisors is an integer number (134023110).

Almost surely, 21298993094 is an apocalyptic number.

1298993094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1298993094 is an abundant number, since it is smaller than the sum of its proper divisors (1917561546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1298993094 is a wasteful number, since it uses less digits than its factorization.

1298993094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309484 (or 10309481 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 1298993094 is about 36041.5467759085. The cubic root of 1298993094 is about 1091.1110333464. Note that the first 3 decimals are identical.

The spelling of 1298993094 in words is "one billion, two hundred ninety-eight million, nine hundred ninety-three thousand, ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 10309469 20618938 30928407 61856814 72166283 92785221 144332566 185570442 216498849 432997698 649496547 1298993094